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Sea-Dog Line 420887-1 Hi-Amp Panel Mount Resettable Circuit Breaker 100A 48V

Manufacturer

Sea-Dog Line

<p>For over a century, Sea-Dog Line has stood as a cornerstone of the marine hardware industry, delivering innovative solutions that meet the demanding needs of recreational and commercial boaters. Founded in the early 1920s by entrepreneur Hans "Action" Broson Sneve, the company began with a unique sales approach—showcasing marine hardware aboard a 55-foot cruiser that sailed from Alaska to Mexico. This hands-on philosophy continues to shape Sea-Dog's commitment to producing hardware that performs reliably in the harshest saltwater environments.</p><h3>Industry-Leading Marine Hardware Manufacturing</h3><p>Based in Everett, Washington, Sea-Dog Corporation operates a 75,000-square-foot warehouse stocking over 8 million parts and runs an injection molding facility with 16 machines producing more than 17 million components annually. The company's extensive product line spans anchoring systems, deck hardware, electrical components, plumbing fittings, and lighting solutions—all engineered with marine-grade materials like stainless steel, brass, and UV-resistant polymers. Sea-Dog's recognition as a multiple-time NMDA Supplier of the Year underscores the brand's excellence in both product quality and customer service, while their on-staff ABYC-certified marine technician provides invaluable installation and technical support.</p><h3>Premium Marine Components for Every Vessel</h3><p>Sea-Dog's <a href="/7549-sea-dog-line-windshield-washers-wipers-replacement-motors-201195">windshield washers, wipers, and replacement motors</a> deliver crystal-clear visibility during inclement weather, with both manual and electric options featuring corrosion-resistant stainless steel arms and UV-stable blades designed specifically for marine windshield applications. Their <a href="/7549-sea-dog-line-electric-horns-200351">electric horns</a> include the popular MaxBlast line, which passed rigorous 600-hour salt spray testing while meeting US Coast Guard COLREGS and ABYC standards for audible warning devices. For fuel and water system integrity, Sea-Dog's <a href="/7549-sea-dog-line-deck-fills-200307">deck fills</a> provide secure, leak-free access points constructed from durable stainless steel with snap-in designs that resist corrosion in saltwater environments.</p><p>When maneuvering in low-light conditions, Sea-Dog's <a href="/7549-sea-dog-line-docking-lights-200335">docking lights</a> offer bright LED illumination with minimal power draw, featuring injection-molded housings that withstand impacts and temperature extremes. Proper airflow is essential for preventing moisture buildup below deck, and Sea-Dog's <a href="/7549-sea-dog-line-hose-and-cowl-vents-200534">hose and cowl vents</a> deliver reliable ventilation with low-profile designs that include snap-in deck plates for bilge applications or dorade box compatibility for cabin use. Each product reflects Sea-Dog's century-long dedication to manufacturing hardware that recreational and professional mariners can trust, voyage after voyage.</p>

Part Number

420887-1
06/01/2036 6:52 PM
Sale Price

$45.64

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sea-Dog Line 420887-1 is a heavy-duty 100-amp resettable circuit breaker designed for demanding marine electrical systems. This single pole thermal-type breaker provides reliable overcurrent protection with a visible indication when tripped, making it easy to identify and reset electrical faults.

Key Features:

  • 100-amp capacity rated for 48VDC systems
  • 3000-ampere interrupt rating for superior protection
  • Water-resistant and sealed construction ideal for engine compartments and bilge areas
  • Panel-mount design with visible trip indicator
  • Resettable thermal breaker eliminates fuse replacement costs

Specifications:

  • Amperage: 100A
  • Voltage Rating: 48VDC
  • Interrupt Rating: 3000A
  • Dimensions: 2-15/16" (A) x 1-15/16" (B) x 2-1/8" (C) x 2-7/16" (D) x 1-9/16" (E)

This circuit breaker is engineered to withstand harsh marine environments while providing dependable electrical system protection. The resettable design offers convenience and cost savings compared to traditional fuses, while the water-resistant housing ensures reliable performance in wet conditions.

Products specifications

Amps

100

Voltage

48

Your selection and service is great. The only issue i had was knowing if the product i was ordering was a stock item. I had to contact your customer service about three days after ordering to get an estimated delivery time, would have been nice to know sooner.

Product came sooner than I expected, well packaged and in perfect shape.

Good price and service

Good prices

Best price on Toyo tires ANYWHERE. Fast shipping to south Florida. Received in 2 days like promised. Will buy again

Easy to order on line.I received help from them and was helpfull.

Great

Great

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